Performing. . .
| Geyser: | Whirligig |
| Date/Time: | 1974-09-18 @ 1800 |
| Entrant: | research-mab |
| Observer: | 1974 log |
| Time Entered: | 2017-09-05 10:20:56 |
| Time Uploaded: | 2017-10-02 14:45:06 |
| Submitted to: | Geysertimes.org |
| Note: | 09/18/1974 Big Whirligig would fill – would remain filled 15-20 min. L.W. would then begin erupting – after about 5 min B.W. would drain. L.W. would continue – B.W. was not observed in eruption all day. |